Combined neck-ring and former for making hollow glassware.



O. V. ARBOGAST. COMBINED NECK RING AND FORMER FOR MAKING HOLLOW GLASSWARB.

APPLICATION FILED JUNE 15, 1912.

Patented Sept. 1, 1914.

V E N TO R FIG.

WITNESSES.

UNITED STATES j OFFICE.

JHARLES V. ARBOGAST, 0F STOWE TOWNSHIP, ALLEGHENY COUNTY, PENNSYLVANIA COMBINED NECK-BING- AND FORMER FOR MAKING HOLLOW GLASSWARE.

Specification of Letters Patent.

Patented Sept. 1, 1914.

Application filed June 15, 1912. Serial No. 703,907.

To all whom it may concern:

Be it known that I, CHARLES V. AnBoeAs'r, a citizen of the United States, a resident of Stowe township, in the .county of Allegheny:

.wareysuch as tumblers, globes, shades, bottles, etc.

Theobject of my invention is to provide for theforming of the neck-portion of the article in such a way as to prevent the crazing or cracking of the glass around the upper edge of the article, and at the same t me so form such upper edge that the warrmng,

in, firepolishing, or grinding of, therarticle to-give the properfinish to the-upper edge may ;be dispensed with.

To. these ends my. invention ,comprises, generally stated, .a suitablereceptacle into which ahodylof lastic. glass .is introduced, a neck-rin niem er -Qformed of two .hinged portions a apted to rest on said receptacle, an. insideformer supported by said neckring member in the' open and closed positions of said member, andmean's for compactingthe glass within the cavity of the neck mold and around said former, whereby said neck ring member with the blank deending therefrom is inserted into a suitable low-mold and when the article has been blownland the neck-ring member opened to remove the article, the former is still supported by said neck-ringmember.

In the drawingFigure 1 is a vertical section of a suitable receptacle with a body of plastic glass therein; Fig, 2 is a like view with the neck-ring member and its former in" position on said receptacle with the glass raised to form the neck portion oi the article; Fig. 3 is a view of the neck-ring and the blank carried thereby in position on the blow-moi Fig, 4 is a plan view of the neck-ring member and its accompanying former; and F ig. 5 is an inverted view of same. Fig. 6 is a plan view of Fig. 1.

Referring to the drawing, the numeral 2 designates a suitable receptacle supported upona table 3. The plunger 4 is contained within said receptacle, said plunger being connected to thelever 5 by means of which said. plunger is raised and lojwered. Around themouth of the receptacle 2 is the flangeportion 6.

The neck-ring. member 7 consists of two hinged portions connected by the pin 8 and provided with the handles 9. This neckring has formed therein the rarity 10, a portion in. onemember, and aportion in the other member of the ring, said cavity vary ing in shape according to the shape of ll) neck-portion of the article to be formed. A the article to be formed in the apparatus oi the drawing is a shade, said neck-ring cavity is formed accordingly. The halves of theneck-ring are further provided with the annular recesses 11, which are adapted to receive the projection or collar 12 of the former 18. This former 13, is inserted in position with its projection 12 engaging the recesses 11 of the neck-ring halves before the pin 8 is inserted. The stop 14 on one of the neck-ring halves is adapted to engage the shoulder 15 on the other and so control the extent to which the neck-ring may be opened, and in this way the former 13 is held from slipping out of the neck-ring member even when said neck-ring member is opened to its full extent as 'shownin Fig. 4, The projection 12 of the former 13 may be formed with an annular groove 16, and said groove registers with the cavity of the neckring so that a portion of the upper edge of the article is formed in the groeve in projection 12. By this construction the neckmold is sealed to revent the escape of any glass to form a b ow-over. As the projection 12 enters the recess in the neck-ring there is no outlet from the neck-mold to the atmosphere and consequently no chance for a blow-over. The former 13 has the u per flange 17 which. rests upon the top 0 the neck ring end of the article is obviated, thereby portion 6 of the receptacle 2, said neck-ring member is provided with the inwardly extending flange 19 with cut away portions 20, so that when said neck-ring member is applied to the receptacle 2 the openings 20 are brought into register with the flange 6 and by giving said neck-ring niuriber a slight turn the flange 19 passes beneath the lugs 6 and prevents the upward movement of the neck-ring member, and holds it securel in position during the operation of forming the blank.

The portion of plastic glass 21 from which the article is to be made is gathered on a punty, or may be taken directly from the furnace, andis delivered into the receptacle 2. When the proper quantity of'glass to form the article has been introduced into said receptacle, the glass is severed by shears or other means, and the neck-ringcarry-ing the former is then adjusted in position on the receptacle 2 as indicated in Fig. 2. The lever 5 is then operated either by hand or by other suitable means and is moved up to the position indicated in Fig. 2, which will force the plastic glass up and into the neckmold cavity 10 to form the upper neck portion of the article, and around the former which "projects down into the blank. By forcing the glass up in this manner into the neck-mold cavity, the crazing or cracking of the glass around the neckdrtion is prevented as the plunger is not orced down to displace the glass as in the ordinary prac tice, and as a consequence the upper edge of the article is smooth and even, and .is fl ished by this operation, so that the warming in, firepolishing or grinding of the up er 1spensing with the extra ste in the process of making such articles an the .expense attendingsame.

, When the blank has been formed in the manner indicated in Fig. 2, the neck-ring member is released from the receptacle 2 and is adjusted on the blow-mold indicatedin dotted lines Fig. 3 with the blank extending down within said blow-mold. The blowpipe 22 is then brought into position to ad- -mit air to the passage 18 of the former and the blank is blown out to conform to the shape of the blow-mold. The blowing takes place without withdrawing the former 13 and with said former in contact with the glass. There is no opportunity for the escape of' the glass around the neck-mold to form outside of the mold the usual blowover which necessitates the firepolishing or grinding of the .neck of the article to give it the required smoothness and finish. Furthermore as the former is not withdrawn there is an opportunity for the air to reach the glass and chill the same before the blow-' ing operation takes place. After the article has been blown in 'the blow-mold, the blowmold is opened and the neck-ring lifted off with the blown article carried thereby, whereupon by opening the halves of the neck-ring member, the article isreleased and may be removed to theleers. The former always remains attached to the neck-ring even when the neck-ring is openedto release the article, and consequently no separate provision has to be made for the sup port of the former and its movement to and firom the neck-ring member. 7

I' have illustrated my invention in connection with a simple form of apparatus, but wish it to be understood that I do not limit it to the particular form illustrated, as this may be changed or modified in difierent ways without departing from the spirit of my invention. For instance, the receptacle 2 might be filled to the top and when the neck-ring member was applied the former 13 would force the glass up into the neckrin cavity.

at I claim is:

1. In a combined neck-ring and former for making hollow glassware, the combination of a neck-ring member composed of two hinged sections, a one-piece inside former, an interengaging connection between said neck-ring member and former, and means for controlling the extent of opening of said ring member, whereby said ring-member supports said former'in its open position.

2. In a combined neck-ring and former for making hollow glassware, the combination of a neck-ring member composed of two hinged sections having recesses formed in their inner faces, a one piece inside former having a collar adapted to engage said recesses in the closed position of the neckring member, means for controlling the extent of opening of said neck ring member,

whereby said neck ring member-supports said former in its open position to release the article formed therein.

3. In a combined neck-ring and formerdirectly by and means for forcing glass from said re- 10 ceptacle into said neck-ring member and around the former.

In testimony wherebfi'l the said CHARLES V. ARBOGAST have hereunto set my hand.

bet, whereby said ring member supports said fora-um- 1n lts ngen; p0; on. I lnappxml-us fur arming hollow glass member 00111 nd of two hinged por- CHARLES V. .ARBOGAST. tiox :1 0: 'uicce 1 (19 former support-ed \Vltne-ssesz said neck-ring portions in G120. B. BLEMING, 039911 and cl.0sed.p0s1t1r. ns of sad portions,

BOBT. D. TOI'L'IVEN.

Gap! of thin gatent maj' be pbtalned for five cents each, by' addressing the Commissioner 9! Patents,

Washington, D. 0." 

